发明授权
- 专利标题： Fungicidal trifluoromethylalkylamino-triazolopyrimidines
- 专利标题（中）： 杀真菌三氟甲基烷基氨基 - 三唑并嘧啶
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申请号： US160894申请日： 1998-09-25
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公开(公告)号： US5986135A公开(公告)日： 1999-11-16
- 发明人: Waldemar Pfrengle , Klaus-Juergen Pees , Guido Albert , Paul Carter , Annerose Rehnig , Henry Van Tuyl Cotter
- 申请人： Waldemar Pfrengle , Klaus-Juergen Pees , Guido Albert , Paul Carter , Annerose Rehnig , Henry Van Tuyl Cotter
- 申请人地址： NJ Madison
- 专利权人： American Cyanamid Company
- 当前专利权人： American Cyanamid Company
- 当前专利权人地址： NJ Madison
- 主分类号： C07D487/04
- IPC分类号： C07D487/04 ; A01N43/90 ; C07C209/88 ; C07C211/15
摘要：
An improved process for the preparation of (S)-1,1,1-trifluoroalkyl-2-amines of formula IIIA, ##STR1## where R.sup.1 is a C.sub.1-6 alkyl group, from the corresponding racemic mixture, which process includes treating 1 part by mole of the racemic mixture with approximately 0.3 to 0.7 part by mole of D-(-)-tartaric acid in the presence of an inert solvent.
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